Making the boss more impressive
The boss creature is now a serious threat to the player. You can never be sure where it will go next, so it will be difficult to hit. The player runs the risk of bumping into it and prematurely ending the game. The boss still looks a bit too plain for a boss creature; let's fix this with some visual spectacle.
Engage thrusters
We will add a clone script to the basic sprite. Contrary to the starfish clones, this one will not have any in-game effect. It will just be used to make the game look a bit more spectacular.
First, we add a create clone of <myself> block inside the repeat until loop of the when I receive <boss> script. We place it just at the end of the loop.
Then we start a new script with a when I start as a clone block.
Next we add a repeat until () block.
For the condition, we construct size < () (built-in variable from the Looks category) and place it inside the slot; fill in the value as
10
.During each loop, we use change size by () (with...